Drainage system.



No. 898,205. 4 PATENTED SEPT.8, 1908. K. FILSKOW. A l DRAINAGE SYSTEM.

APPLIGATION FILED PEB. 20, 1908.

pavement .inclined and downward di- 'that of theroadway to allow4 the fiassage f from one 4sidet'valk to theother. l 25 :age basin 3 arranged belowthe man-hole 4.

it known that I,

'zen of. the lUnited States, and a resident of :New York, county of New York, State of.

tem the gutters *arranged yatthelstreet cor- ;ners oftenfcause overfloodng during 'ooded periods and .sidewalk tot 15 I arran e, in addition to the corner gutter', at each si e thereof and at some distance away 'KA-RLFILS'Kow, or New YonK, N. Y.

'RL FILS-Row, a citi- New York, havemvented'certain new and useful Improvements in'Drainage Systems, of -which vthe following -is a specification.

It -1s Well that with present sys`v revent the xpassing from one' e other. Toremedy this evil therefrom'a side gutter which runs belowv the .rection and-terminates into the main basin below the man-hole'.-

e sidewalk is gradually-leveled down 'to' My'invention is .illustratedfin the accom-- anying drawing -in which similar reference etters denote-'corresponding parts land in which y 1 Figure 1. shows a perspective view of .a street cornergh" 2 1s a plan view thereof;v Fig'. 3 is avertica section on line 348 of Fig. 2, and Fig. ltisan' elevation showing the leveler incross section on line Lf-'tof Fig. 2.

In theV drawing ll denotes the corner stone of the sidewalk inwhich is formed the ordinary cornergutter 2 leading into the drainneighborhood of the corner.v

bricks, asghalt or a'metal late.

Between this 'side j ilitter and the corner gutter the surface of -consistingin the combination vage basin andcorner. gutter, of side gutters ing from the sidewalk down r Patented sepasfieo's.

t each s'ideof this c ornergutter and at some distance away therefrom a side gutter 5 is ,provided whichzr'uns below- .the pavement' in 4o an inclined '.anddownward direction (see dotted lines in Figs. 2 and 3). and 'terminates into the same basin v2l lbelow the man-hole'. These gutters will allow the water to flow off before' they `reach the corner, so that thew45 water will vbe preventedrom oodinginthe In-the. spaces between the side gutters and the corner guttel; the-i surface of the sidewalk is leveled fdown to that ofthe street or roadway by'50- bridge 6 either'of' The vside. this bridge .are s anting and well forniing an .oblique short surfaces V0 Hrounded 'so as to allow vehiclestopass over said brid es withoutfcausin'g great shocks. 55

What claimisij v v1. The herein described drainage system,

lwith the drainf leading to the-drainage basin..

60 2. ,The Aherein described drainage system, consisting 'in the combination with the drainage basin. and corner gutter, of side utters Vleading into the drainage basin an short bridges arranged between the side gutters 65 andthe cornerj gutter, said bridges having slanting and rounded side surfaces and leadtothe roadway. Signed at New York this 18th day of February,l1908. v

KARL FILSKOW. Witnesses:

j F. W. PATTERSON,

lMAX. D. ORDMANN. 

